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-rw-r--r--drivers/net/tg3.c48
-rw-r--r--drivers/net/tg3.h28
-rw-r--r--include/linux/pci_regs.h13
3 files changed, 50 insertions, 39 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index d4ac6e9ef6db..4f9fbe268ec9 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4865,9 +4865,15 @@ static void tg3_restore_pci_state(struct tg3 *tp)
pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
/* Make sure PCI-X relaxed ordering bit is clear. */
- pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
- val &= ~PCIX_CAPS_RELAXED_ORDERING;
- pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
+ if (tp->pcix_cap) {
+ u16 pcix_cmd;
+
+ pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
+ &pcix_cmd);
+ pcix_cmd &= ~PCI_X_CMD_ERO;
+ pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
+ pcix_cmd);
+ }
if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
@@ -6574,16 +6580,20 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32_f(WDMAC_MODE, val);
udelay(40);
- if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
- val = tr32(TG3PCI_X_CAPS);
+ if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
+ u16 pcix_cmd;
+
+ pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
+ &pcix_cmd);
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
- val &= ~PCIX_CAPS_BURST_MASK;
- val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
+ pcix_cmd &= ~PCI_X_CMD_MAX_READ;
+ pcix_cmd |= PCI_X_CMD_READ_2K;
} else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
- val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
- val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
+ pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
+ pcix_cmd |= PCI_X_CMD_READ_2K;
}
- tw32(TG3PCI_X_CAPS, val);
+ pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
+ pcix_cmd);
}
tw32_f(RDMAC_MODE, rdmac_mode);
@@ -10712,10 +10722,20 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
cacheline_sz_reg);
}
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
+ (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
+ tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
+ if (!tp->pcix_cap) {
+ printk(KERN_ERR PFX "Cannot find PCI-X "
+ "capability, aborting.\n");
+ return -EIO;
+ }
+ }
+
pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
&pci_state_reg);
- if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
+ if (tp->pcix_cap && (pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
/* If this is a 5700 BX chipset, and we are in PCI-X
@@ -10733,11 +10753,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
* space registers clobbered due to this bug.
* So explicitly force the chip into D0 here.
*/
- pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
+ pci_read_config_dword(tp->pdev,
+ tp->pm_cap + PCI_PM_CTRL,
&pm_reg);
pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
- pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
+ pci_write_config_dword(tp->pdev,
+ tp->pm_cap + PCI_PM_CTRL,
pm_reg);
/* Also, force SERR#/PERR# in PCI command. */
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index a6a23bbcdfee..c4f845dd1e8b 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -57,32 +57,7 @@
#define TG3PCI_IRQ_PIN 0x0000003d
#define TG3PCI_MIN_GNT 0x0000003e
#define TG3PCI_MAX_LAT 0x0000003f
-#define TG3PCI_X_CAPS 0x00000040
-#define PCIX_CAPS_RELAXED_ORDERING 0x00020000
-#define PCIX_CAPS_SPLIT_MASK 0x00700000
-#define PCIX_CAPS_SPLIT_SHIFT 20
-#define PCIX_CAPS_BURST_MASK 0x000c0000
-#define PCIX_CAPS_BURST_SHIFT 18
-#define PCIX_CAPS_MAX_BURST_CPIOB 2
-#define TG3PCI_PM_CAP_PTR 0x00000041
-#define TG3PCI_X_COMMAND 0x00000042
-#define TG3PCI_X_STATUS 0x00000044
-#define TG3PCI_PM_CAP_ID 0x00000048
-#define TG3PCI_VPD_CAP_PTR 0x00000049
-#define TG3PCI_PM_CAPS 0x0000004a
-#define TG3PCI_PM_CTRL_STAT 0x0000004c
-#define TG3PCI_BR_SUPP_EXT 0x0000004e
-#define TG3PCI_PM_DATA 0x0000004f
-#define TG3PCI_VPD_CAP_ID 0x00000050
-#define TG3PCI_MSI_CAP_PTR 0x00000051
-#define TG3PCI_VPD_ADDR_FLAG 0x00000052
-#define VPD_ADDR_FLAG_WRITE 0x00008000
-#define TG3PCI_VPD_DATA 0x00000054
-#define TG3PCI_MSI_CAP_ID 0x00000058
-#define TG3PCI_NXT_CAP_PTR 0x00000059
-#define TG3PCI_MSI_CTRL 0x0000005a
-#define TG3PCI_MSI_ADDR_LOW 0x0000005c
-#define TG3PCI_MSI_ADDR_HIGH 0x00000060
+/* 0x40 --> 0x64 unused */
#define TG3PCI_MSI_DATA 0x00000064
/* 0x66 --> 0x68 unused */
#define TG3PCI_MISC_HOST_CTRL 0x00000068
@@ -2318,6 +2293,7 @@ struct tg3 {
int pm_cap;
int msi_cap;
+ int pcix_cap;
/* PHY info */
u32 phy_id;
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 495d368390e0..423d592c55d5 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -316,7 +316,20 @@
#define PCI_X_CMD 2 /* Modes & Features */
#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */
#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */
+#define PCI_X_CMD_READ_512 0x0000 /* 512 byte maximum read byte count */
+#define PCI_X_CMD_READ_1K 0x0004 /* 1Kbyte maximum read byte count */
+#define PCI_X_CMD_READ_2K 0x0008 /* 2Kbyte maximum read byte count */
+#define PCI_X_CMD_READ_4K 0x000c /* 4Kbyte maximum read byte count */
#define PCI_X_CMD_MAX_READ 0x000c /* Max Memory Read Byte Count */
+ /* Max # of outstanding split transactions */
+#define PCI_X_CMD_SPLIT_1 0x0000 /* Max 1 */
+#define PCI_X_CMD_SPLIT_2 0x0010 /* Max 2 */
+#define PCI_X_CMD_SPLIT_3 0x0020 /* Max 3 */
+#define PCI_X_CMD_SPLIT_4 0x0030 /* Max 4 */
+#define PCI_X_CMD_SPLIT_8 0x0040 /* Max 8 */
+#define PCI_X_CMD_SPLIT_12 0x0050 /* Max 12 */
+#define PCI_X_CMD_SPLIT_16 0x0060 /* Max 16 */
+#define PCI_X_CMD_SPLIT_32 0x0070 /* Max 32 */
#define PCI_X_CMD_MAX_SPLIT 0x0070 /* Max Outstanding Split Transactions */
#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */
#define PCI_X_STATUS 4 /* PCI-X capabilities */
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